Dietary Intake and Activity. Individuals will be required to log their food and exercise daily for 6 months. They will log using BalanceLog on their PC. One of the inclusion criterions will be daily access to a PC. The BalanceLog will be used to establish an Energy Balance Prescription for all participants. Macronutrient composition will be chosen by the participant, however the recommendation will be to use a relatively standard low (<30 %) fat diet with a minimum of 40% carbohydrate. BalanceLog Pro is a web-based program allowing professionals to review individuals' BalanceLog records and reports remotely.